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Post-IRQ DMASR flags cleanup

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This commit is contained in:
cpq 2023-11-22 19:17:36 +00:00
parent 82916a1cef
commit f2f60a7b3b
2 changed files with 8 additions and 12 deletions
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10
mongoose.c
View File

@ -9308,12 +9308,10 @@ void ETH_IRQHandler(void) {
if (++s_rxno >= ETH_DESC_CNT) s_rxno = 0;
}
}
#ifdef __riscv
ETH->DMASR = ~0; // TODO: do more fine-grained flag cleanup
#else
ETH->DMASR = MG_BIT(7); // Clear possible RBUS while processing
#endif
ETH->DMARPDR = 0; // and resume RX
// Cleanup flags
ETH->DMASR = MG_BIT(16) // NIS, normal interrupt summary
| MG_BIT(7); // Clear possible RBUS while processing
ETH->DMARPDR = 0; // and resume RX
}
struct mg_tcpip_driver mg_tcpip_driver_stm32 = {mg_tcpip_driver_stm32_init,

10
src/drivers/stm32.c
View File

@ -216,12 +216,10 @@ void ETH_IRQHandler(void) {
if (++s_rxno >= ETH_DESC_CNT) s_rxno = 0;
}
}
#ifdef __riscv
ETH->DMASR = ~0; // TODO: do more fine-grained flag cleanup
#else
ETH->DMASR = MG_BIT(7); // Clear possible RBUS while processing
#endif
ETH->DMARPDR = 0; // and resume RX
// Cleanup flags
ETH->DMASR = MG_BIT(16) // NIS, normal interrupt summary
| MG_BIT(7); // Clear possible RBUS while processing
ETH->DMARPDR = 0; // and resume RX
}
struct mg_tcpip_driver mg_tcpip_driver_stm32 = {mg_tcpip_driver_stm32_init,